Sanos, Bearer of Two Worlds

Flying, haste, Vigilance
At the beginning of your upkeep place your choice
of counter on this card from among keyword effects this card does not already have.
Angels and Demons on the field or in your hand
get all keywords this card has on it.
If an angel deals damage to a permanent or its controller, You gain life equal to that creature's toughness. If a demon takes damage from
any source, it deals its power to any target of your choice.